15180871022989 has 16 divisors (see below), whose sum is σ = 18397425621888. Its totient is φ = 12228555773952.

The previous prime is 15180871022983. The next prime is 15180871023011. The reversal of 15180871022989 is 98922017808151.

It is not a de Polignac number, because 15180871022989 - 2¹⁵ = 15180870990221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15180871022983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94697287 + ... + 94857460.

It is an arithmetic number, because the mean of its divisors is an integer number (1149839101368).

Almost surely, 2^{15180871022989} is an apocalyptic number.

It is an amenable number.

15180871022989 is a deficient number, since it is larger than the sum of its proper divisors (3216554598899).

15180871022989 is a wasteful number, since it uses less digits than its factorization.

15180871022989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189555444.

The product of its (nonzero) digits is 5806080, while the sum is 61.

The spelling of 15180871022989 in words is "fifteen trillion, one hundred eighty billion, eight hundred seventy-one million, twenty-two thousand, nine hundred eighty-nine".